C7H11NO3
157.17 g/mol
Pharmaceutical IntermediateWarning
Ethyl (3R)-4-cyano-3-hydroxybutanoate
CAS141942-85-0EC430-220-6
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
Ethyl (3R)-4-cyano-3-hydroxybutanoate is a chemical compound that serves as a key intermediate in the manufacturing of atorvastatin. It contains a chiral center with an alcohol, ester, and nitrile functional groups.
Pharmaceutical intermediate for atorvastatin synthesisResearch reagent in organic synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Safety Reference
Warning
H319Causes serious eye irritation
H315Causes skin irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Ethyl (3R)-4-cyano-3-hydroxybutanoate (CAS 141942-85-0) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
ethyl (3R)-4-cyano-3-hydroxybutanoate
InChIKey
LOQFROBMBSKWQY-ZCFIWIBFSA-N
SMILES
CCOC(=O)C[C@@H](CC#N)O
Synonyms (14)
- 1H1
- Atorvastatin Impurity 166
- Atorvastatin Impurity 54
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